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Nuts are also classified into grades, how to match with bolt gradesUpdate Date:[2020-05-20]
As for the fastener bolt, we all know that it is classified, but the nut is also classified. Do you know whether it is clear? Today, the Chinese standard parts net summarizes the relevant level analysis of the sensible nut. Of course, the nut is screwed together with the bolt for fastening, so how can we...Screw and nut: no matter how serious the rust is, I'll show you how to loosen itUpdate Date:[2020-05-20]
Screw and nut are also common fasteners in our daily life, but rust is also a common problem phenomenon of screw and nut, and it is the most desired way for us to screw out the rusty screw and nut easily. According to the understanding of screw and nut knowledge, China standard parts network, here, sh...Prevention measures of stainless steel bolt and nut seizingUpdate Date:[2020-05-20]
From the previous analysis, it can be seen that it is very inconvenient to disassemble the stainless steel fastener after it is killed. Even some methods or special tools are time-consuming and laborious, so it is particularly important to prevent the stainless steel fastener from being killed. The followin...Why do stainless steel bolts and nuts bite?Update Date:[2020-05-20]
According to the use performance characteristics and functions of fasteners, the fasteners used in many fields will be made of stainless steel, and the most common disadvantage of stainless steel fasteners is that in the process of use, the bolt and nut can not be unscrewed after matching, which is called "s...What are the non removable fasteners?Update Date:[2020-05-20]
As the most common connecting parts, there are many types of fasteners, among which the non detachable fasteners mainly include solid rivets, pull rivets, pull bolts, lock bolts, bracket nuts (pull rivet nuts), etc. different types of fasteners will be introduced in the following Chinese standard parts.The tighter the bolt, the better? Or half a turn back?Update Date:[2020-05-20]
When many people fix the mechanical equipment, they will screw the bolt to the point where it can't be screwed. Is this a good way? Not exactly. It's also said that bolts should be tightened and then back half a circle. Is that right? Is there any scientific basis? In fact, there are many believers in life w...Selection principle of stainless steel materials for fastenersUpdate Date:[2020-05-20]
Fasteners are commonly used parts in mechanical equipment, with a very high utilization rate. Usually there are screws, nuts, bolts, rivets, etc. in order to ensure the safety of fastener use, we will have certain principles in the selection of materials. According to the knowledge of fastener use, China ...What stainless steel materials are commonly used for fasteners?Update Date:[2020-05-20]
What stainless steel materials are commonly used for fasteners? 1. Austenitic stainless steel The commonly used grades are 302, 303, 304 and 305, namely the so-called "18-8" austenitic stainless steel. Both corrosion resistance and mechanical properties are similar. The starting point of sele...Different kinds of expansion screws and different installation methodsUpdate Date:[2020-05-20]
The utilization rate of expansion screw is very high in the process of decoration and product placement. After the expansion screw is punched into the hole on the ground or wall, use a wrench to tighten the nut on the expansion bolt, and the bolt moves outward, while the metal sleeve on the surface does not ...What is the difference between special bolt and common boltUpdate Date:[2020-05-20]
1. There is no national standard bolt called special bolt, which is generally used in special occasions and special purposes. The difference with ordinary bolts is whether there is a national standard. 2. Bolt: mechanical part, cylindrical threaded fastener with nut. A type of fastener consisting of hea...
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